https://npra.gov.my/index.php/en/health-professionals/direct-healthcare-professional-communications-dhpcs/471-english/safety-alerts-main/dhpc/583-mencevaxacwy-meningococcal-vaccine-new-antibody-persistence-data.html
Mencevax ACWY™ (meningococcal vaccine): New antibody persistence data
National Pharmaceutical Regulatory Agency (NPRA), Ministry of Health Malaysia. Malaysia Drug Control Authority. Portal Rasmi Bahagian Regulatori Farmasi Negara.
meningococcal vaccinemencevaxnewantibodypersistence